<BLOCKQUOTE class="ip-ubbcode-quote"><div class="ip-ubbcode-quote-title">quote:</div><div class="ip-ubbcode-quote-content">so how high is to high? is 129 pushing the upper limits for the micro and a/c's
also been thinking about an iverter for the tv and micro so they would have a dedicated clean power source, any thoughts </div></BLOCKQUOTE>

Whatever the rated voltage of the appliance in question plus or minus 10% is your answer. So an appliance that is rated for 120 volt would be safe from 108 to 132 volts. That is where most surge protectors cut out. Just remember that the lower the volt coming in the higher the amperage draw will be. So 50 amps at 108 volts really doesn't go as far as 50 amps at 120 volts or even 130 volts. My surge protector has a digital read out and depending on the voltage available I will draw different amps operating the same appliances. This increase in amperage draw is why power cords tend to heat up during low voltage situations.

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I installed my Surge guard this weekend
took about 2 hrs start to finish, it monitors all electricity that leaves the transfer switch, so it will pickup any generator prolems as well
great display, it shows current amperage draw for each 120 line, felt like appollo 13, watching the amps climb as turned on each appliance and a/c's
it got put to a test last night, severe thunderstorm with lots of POWER zaps.
best 500 i have spent so far on the rv
i was really amazed at how much juice the water heater pulled when it kicked on.
and how energy efficient my bedroom a/c is, whne the compressor kicked off the fan only pulled 1-2 amps on medium speed and total with compressor was only 13 running with a surge of 15

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__________________USN Retired, Life time member of the DAV.
Enjoying the 2008 Damon Tuscany 4056, no your eyes are fine, there are really 6 slides
2016 Expedition Toad on Hauler flat bed